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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-01-424-8
Comp Cams Xtreme Energy Hydraulic Roller Camshafts
$57795
Ships on 09/08/2026
Lowest Price GuaranteeChevrolet Gen VI Big Block 454ci & 502 c.i. 8 CYL. 1996-1999
- Xtreme Energy XR294HR Hydraulic Roller Camshaft
- Produces Better Throttle Response
- Produces Top Engine Horsepower
- Delivers Increased Engine Vacuum
- 1 Year Limited Warranty
Chevelle, Camaro, Corvette, Stingray, Silverado, C10, Firebird, Chevrolet, Big Block, Chevy, BBC, 454, 427, 502, 396, Caprice, Malibu, Impala, Nova, Monte Carlo, S10, 572
Best for serious street/ strip use with 10.5:1+ compression and 3000+ stall. Needs good intake, headers and ported heads.
Lift: .540"/.560"
Duration: 294/300
Lobe Separation Angle: 110°
RPM Range: 2800-6200
Emissions Note:
This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.
CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART
Part TypeCamshaft
BrandCOMP CAMS
Package Height2.8
Package Width2.9
Package Length24.1
Weight11.05 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)248
Cam StyleHydraulic roller tappet
Grind NumberG6 XR294HR-10
Exh. Duration Advertised (Deg)300
Engine Make/SizeChevy Gen VI 454
Intake Valve Lift With Factory Rocker Arm Ratio (I0.54
Int. Duration @ .050 In. (Deg)242
Basic Operating Rpm Range2,800-6,100
Intake Valve Lift0.54 in (13.716 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)294
Lobe Separation (Deg)110
Rpm Range2800-6200
Advertised Duration294 int./300 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.56
UsageStreet/Performance
Valve Lift With Factory Rocker Arm Ratio0.540 int./0.560 exh.
QuantitySold individually
Exhaust Valve Lift0.56 in (14.224 mm)
Advertised Intake Duration294
Intake Duration At 050 Inch Lift242
Exhaust Duration At 050 Inch Lift248
Advertised Exhaust Duration300
Lifter TypeHydraulic Roller
Part FitmentSemi Universal
Duration At 050 Inch Lift242 int./248 exh.
Valve Springs RequiredYes
Vendor Part Number01-424-8
Package Qty1
Package TypeEA
No Questions
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